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DEX [dexIRA] Token

About DEX

Listings

Token 14 months
CoinMarketCap 11 months

dexIRA provides fully automated multi-currency dividend rewards, advanced buyback protocols and tokenomics that promote long term holding and wealth generation.

The platform is based on the synergy of two concepts: DEX (decentralized exchanges) and IRAs (Individual Retirement Accounts). Borrowing from the long-term investment idea behind a traditional IRA, dexIRA investors can grow their holdings commission-free similar to tax-free IRA contributions. This allows members to increase their stake in the reward pool over time without sacrificing initial capital.

After a one-year holding period, investors can sell their DEX holdings tax-free and penalty-free. However, similar to the age restrictions on a traditional IRA, if holders choose to sell early, they're penalized.

Laser Scorebeta Last Audit: 30 November 2021

report
Token is either risky or in presale. For presale 30+ is a fine score.

DexIRA.addLiquidity(uint256,uint256) (#2047-2060) sends eth to arbitrary user
Dangerous calls:
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2052-2059)
Ensure that an arbitrary user cannot withdraw unauthorized funds.

Additional information: link

Reentrancy in DividendPayingToken.swapETHForTokens(address,uint256) (#817-860):
External calls:
- swapRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: ethAmount}(1,path,address(recipient),block.timestamp + 360) (#836-846)
- (success) = recipient.call{gas: 3000,value: ethAmount}() (#851)
State variables written after the call(s):
- rawBNBWithdrawnDividends[recipient] = rawBNBWithdrawnDividends[recipient].sub(ethAmount) (#855)
Apply the check-effects-interactions pattern.

Additional information: link


Unable to verify that contract auditor is trusted: Certik, Quantstamp, Hacken, Solidity, Paladinsec, Openzeppelin, Verichains

DexIRA.getHolderSellFactor(address) (#1623-1640) uses a dangerous strict equality:
- _holderLastSellDate[holder] == 0 (#1629)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link


Combination 1: Reentrancy vulnerabilities + Functions that send Ether to arbitraty destination. Usual for scams. May be justified by some complex mechanics (e.g. rebase, reflections). DYOR & manual audit are advised.

DexIRA.setRewardTokenWithCustomAMM(address,address) (#1737-1745) compares to a boolean constant:
-require(bool,string)(isAMMWhitelisted(ammContractAddress) == true,DEXIRA: setRewardToken:: AMM is not whitelisted!) (#1742)
Remove the equality to the boolean constant.

Additional information: link

SafeMathInt.mul(int256,int256) (#262-269) is never used and should be removed
Remove unused functions.

Additional information: link

DexIRA.totalFees (#1300) is set pre-construction with a non-constant function or state variable:
- BNBRewardsFee.add(liquidityFee)
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

solc-0.8.6 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

Additional information: link

Low level call in DexIRA.swapAndSendDividends(uint256) (#2062-2070):
- (success) = address(dividendTracker).call{value: dividends}() (#2065)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Parameter DexIRADividendTracker.getAccount(address)._account (#2203) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#36)" inContext (#30-39)
Remove redundant statements if they congest code but offer no value.

Additional information: link

DexIRA._transfer(address,address,uint256) (#1815-1969) performs a multiplication on the result of a division:
-fees = amount.mul(totalFees).div(100) (#1941)
-fees = fees.mul(getHolderSellFactor(from)).div(100) (#1946)
Consider ordering multiplication before division.

Additional information: link

Reentrancy in DexIRA.updateDividendTracker(address) (#1436-1451):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1443)
- newDividendTracker.excludeFromDividends(address(this)) (#1444)
- newDividendTracker.excludeFromDividends(owner()) (#1445)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1446)
State variables written after the call(s):
- dividendTracker = newDividendTracker (#1450)
Apply the check-effects-interactions pattern.

Additional information: link

DividendPayingToken.swapETHForTokens(address,uint256).swapSuccess (#822) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

DexIRA.addLiquidity(uint256,uint256) (#2047-2060) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,liquidityWallet,block.timestamp) (#2052-2059)
Ensure that all the return values of the function calls are used.

Additional information: link

DividendPayingToken.accumulativeDividendOf(address)._owner (#1003) shadows:
- Ownable._owner (#42) (state variable)
Rename the local variables that shadow another component.

Additional information: link

DexIRA.updateMaxTxn(uint256) (#1454-1456) should emit an event for:
- maxSellTransactionAmount = maxTxnAmount (#1455)
Emit an event for critical parameter changes.

Additional information: link

Variable 'DexIRA._transfer(address,address,uint256).lastProcessedIndex (#1963)' in DexIRA._transfer(address,address,uint256) (#1815-1969) potentially used before declaration: ProcessedDividendTracker(iterations,claims,lastProcessedIndex,true,gas,tx.origin) (#1964)
Move all variable declarations prior to any usage of the variable, and ensure that reaching a variable declaration does not depend on some conditional if it is used unconditionally.

Additional information: link

Reentrancy in DividendPayingToken.swapETHForTokens(address,uint256) (#817-860):
External calls:
- swapRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: ethAmount}(1,path,address(recipient),block.timestamp + 360) (#836-846)
- (success) = recipient.call{gas: 3000,value: ethAmount}() (#851)
State variables written after the call(s):
- withdrawnDividends[recipient] = withdrawnDividends[recipient].sub(ethAmount) (#854)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in DexIRA.updateDividendTracker(address) (#1436-1451):
External calls:
- newDividendTracker.excludeFromDividends(address(newDividendTracker)) (#1443)
- newDividendTracker.excludeFromDividends(address(this)) (#1444)
- newDividendTracker.excludeFromDividends(owner()) (#1445)
- newDividendTracker.excludeFromDividends(address(uniswapV2Router)) (#1446)
Event emitted after the call(s):
- UpdateDividendTracker(newAddress,address(dividendTracker)) (#1448)
Apply the check-effects-interactions pattern.

Additional information: link

DexIRADividendTracker.canAutoClaim(uint256) (#2267-2273) uses timestamp for comparisons
Dangerous comparisons:
- lastClaimTime > block.timestamp (#2268)
- block.timestamp.sub(lastClaimTime) >= claimWait (#2272)
Avoid relying on block.timestamp.

Additional information: link

DexIRA.isContract(address) (#1591-1600) uses assembly
- INLINE ASM (#1598)
Do not use evm assembly.

Additional information: link

Variable DividendPayingToken._withdrawDividendOfUser(address)._withdrawableDividend (#947) is too similar to DexIRADividendTracker.getAccount(address).withdrawableDividends (#2208)
Prevent variables from having similar names.

Additional information: link

DexIRADividendTracker.getAccountAtIndex(uint256) (#2248-2265) uses literals with too many digits:
- (0x0000000000000000000000000000000000000000,- 1,- 1,0,0,0,0,0) (#2259)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

SafeMathInt.MAX_INT256 (#257) is never used in SafeMathInt (#255-313)
Remove unused state variables.

Additional information: link

DexIRA.tradingEnabledTimestamp (#1311) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

process(uint256) should be declared external:
- DexIRADividendTracker.process(uint256) (#2292-2334)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token is deployed only at one blockchain


Token has only one trading pair


Unable to find PancakeSwap trading pair to compute liquidity.


Unable to find PancakeSwap trading pair to compute number of swaps.


Twitter account link seems to be invalid


BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link


Unable to find token/project description on the website or on BscScan, CoinMarketCap


Unable to find whitepaper link on the website


Young tokens have high risks of scam / price dump / death


Young tokens have high risks of scam / price dump / death


Token has a considerable age, but social accounts / website are missing or have few users


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Token has relatively low CoinGecko rank

Price for DEX